TY  - GEN
AU  - Carlson, A. Bruce
AU  - Crilly, Paul B. 
AU  -   Rutledge, Janet C.
TI  - Communication systems : : an introduction to signals and noise in electrical communications
SN  - 0-07-121073-3
U1  - 621.38223 C197 2002 
PY  - 2002///
CY  - New York 
PB  -  : McGraw-Hill
KW  - Electronic Systems
N1  - Includes index; Includes bibliographical references and index
ER  -